<template>
  <div class="login_container">
    <div class="login-box">
      <!--      头像区域-->
      <div class="avatar-box">
        <img src="../assets/logo.png" alt="">
      </div>
      <!--      表单区域-->
      <el-form label-width="0px" class="login_form" ref="loginFormRef" :model="loginForm" :rules="loginFormRules">
        <!--         用户名-->
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input>
        </el-form-item>
        <!--        密码-->
        <el-form-item prop="password">
          <el-input type="password" v-model="loginForm.password" prefix-icon="iconfont icon-3702mima"></el-input>
        </el-form-item>
        <!--        按钮区域-->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="reset">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data () {
    return {
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      loginFormRules: {
        username: [
          {
            required: true,
            massage: '请输入登录名称',
            trigger: 'blur'
          },
          {
            min: 3,
            max: 10,
            massage: '长度在3到10位字符',
            trigger: 'blur'
          }
        ],
        password: [
          {
            required: true,
            massage: '请输入登录密码',
            trigger: 'blur'
          },
          {
            min: 6,
            max: 15,
            massage: '长度在6到15位字符',
            trigger: 'blur'
          }
        ]
      }
    }
  },
  methods: {
    reset () {
      this.$refs.loginFormRef.resetFields()
    },
    login () {
      this.$refs.loginFormRef.validate(async valid => {
        // eslint-disable-next-line no-useless-return
        if (!valid) return
        const { data: res } = await this.$http.post('login', this.loginForm)
        if (res.meta.status !== 200) return this.$message.error('登录失败!')
        this.$message.success('登录成功!')
        window.sessionStorage.setItem('token', res.data.token)
        await this.$router.push('/home')
      })
    }
  }
}
</script>

<style lang="less" scoped>
  .login_container {
    background-color: #2b4b6b;
    height: 100%;

    .login-box {
      width: 450px;
      height: 300px;
      background-color: #fff;
      border-radius: 3px;
      position: absolute;
      left: 50%;
      top: 50%;
      transform: translate(-50%, -50%);

      .avatar-box {
        width: 130px;
        height: 130px;
        border: solid 1px #eee;
        border-radius: 50%;
        padding: 10px;
        box-shadow: 0 0 10px #ddd;
        position: absolute;
        left: 50%;
        transform: translate(-50%, -50%);
        background-color: #fff;

        img {
          width: 100%;
          height: 100%;
          border-radius: 50%;
          background-color: #eeeeee;
        }
      }
    }
  }

  .login_form {
    box-sizing: border-box;
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
  }

  .btns {
    display: flex;
    justify-content: flex-end;
  }
</style>
